<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .box {
            width: 320px;
            height: 200px;
            line-height: 200px;
            border:10px solid black;
            text-align: center;
            font-size:25px;
            padding:5px;
            margin:10px;
            box-sizing: border-box;
        }
    </style>
</head>
<body>
<div class="box">
    book
</div>
</body>
</html>